plugins/org.eclipse.viatra2.gtasm.model/src/org/eclipse/viatra2/gtasmmodel/gtasm/metamodel/asm/definitions/impl/VariableImpl.java

/**
 *  * Copyright (c) 2006-2010 Istvan Rath and Daniel Varro
 *  * All rights reserved. This program and the accompanying materials
 *  * are made available under the terms of the Eclipse Public License v1.0
 *  * which accompanies this distribution, and is available at
 *  * http://www.eclipse.org/legal/epl-v10.html
 *  *
 *  * Contributors:
 *  *    Istvan Rath, Daniel Varro - initial API and implementation
 * 
 */
package org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.definitions.impl;

import java.util.Collection;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.eclipse.emf.ecore.util.EObjectWithInverseResolvingEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;

import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.compoundRules.BlockRule;
import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.compoundRules.CompoundRulesPackage;

import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.core.impl.GTASMElementImpl;

import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.definitions.DefinitionsPackage;
import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.definitions.TypeConstant;
import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.definitions.Variable;

import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.terms.TermsPackage;
import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.terms.VariableReference;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Variable</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.definitions.impl.VariableImpl#getReferences <em>References</em>}</li>
 *   <li>{@link org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.definitions.impl.VariableImpl#getScope <em>Scope</em>}</li>
 *   <li>{@link org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.definitions.impl.VariableImpl#getVariableType <em>Variable Type</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class VariableImpl extends GTASMElementImpl implements Variable
{
  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public static final String copyright = " * Copyright (c) 2006-2010 Istvan Rath and Daniel Varro\r\n * All rights reserved. This program and the accompanying materials\r\n * are made available under the terms of the Eclipse Public License v1.0\r\n * which accompanies this distribution, and is available at\r\n * http://www.eclipse.org/legal/epl-v10.html\r\n *\r\n * Contributors:\r\n *    Istvan Rath, Daniel Varro - initial API and implementation\r\n";

  /**
   * The cached value of the '{@link #getReferences() <em>References</em>}' reference list.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getReferences()
   * @generated
   * @ordered
   */
  protected EList<VariableReference> references;

  /**
   * The cached value of the '{@link #getVariableType() <em>Variable Type</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getVariableType()
   * @generated
   * @ordered
   */
  protected TypeConstant variableType;

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected VariableImpl()
  {
    super();
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  protected EClass eStaticClass()
  {
    return DefinitionsPackage.Literals.VARIABLE;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EList<VariableReference> getReferences()
  {
    if (references == null)
    {
      references = new EObjectWithInverseResolvingEList<VariableReference>(VariableReference.class, this, DefinitionsPackage.VARIABLE__REFERENCES, TermsPackage.VARIABLE_REFERENCE__VARIABLE);
    }
    return references;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public BlockRule getScope()
  {
    if (eContainerFeatureID() != DefinitionsPackage.VARIABLE__SCOPE) return null;
    return (BlockRule)eContainer();
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetScope(BlockRule newScope, NotificationChain msgs)
  {
    msgs = eBasicSetContainer((InternalEObject)newScope, DefinitionsPackage.VARIABLE__SCOPE, msgs);
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setScope(BlockRule newScope)
  {
    if (newScope != eInternalContainer() || (eContainerFeatureID() != DefinitionsPackage.VARIABLE__SCOPE && newScope != null))
    {
      if (EcoreUtil.isAncestor(this, newScope))
        throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
      NotificationChain msgs = null;
      if (eInternalContainer() != null)
        msgs = eBasicRemoveFromContainer(msgs);
      if (newScope != null)
        msgs = ((InternalEObject)newScope).eInverseAdd(this, CompoundRulesPackage.BLOCK_RULE__LOCAL_VARIABLES, BlockRule.class, msgs);
      msgs = basicSetScope(newScope, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, DefinitionsPackage.VARIABLE__SCOPE, newScope, newScope));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public TypeConstant getVariableType()
  {
    return variableType;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetVariableType(TypeConstant newVariableType, NotificationChain msgs)
  {
    TypeConstant oldVariableType = variableType;
    variableType = newVariableType;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, DefinitionsPackage.VARIABLE__VARIABLE_TYPE, oldVariableType, newVariableType);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setVariableType(TypeConstant newVariableType)
  {
    if (newVariableType != variableType)
    {
      NotificationChain msgs = null;
      if (variableType != null)
        msgs = ((InternalEObject)variableType).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - DefinitionsPackage.VARIABLE__VARIABLE_TYPE, null, msgs);
      if (newVariableType != null)
        msgs = ((InternalEObject)newVariableType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - DefinitionsPackage.VARIABLE__VARIABLE_TYPE, null, msgs);
      msgs = basicSetVariableType(newVariableType, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, DefinitionsPackage.VARIABLE__VARIABLE_TYPE, newVariableType, newVariableType));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @SuppressWarnings("unchecked")
  @Override
  public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case DefinitionsPackage.VARIABLE__REFERENCES:
        return ((InternalEList<InternalEObject>)(InternalEList<?>)getReferences()).basicAdd(otherEnd, msgs);
      case DefinitionsPackage.VARIABLE__SCOPE:
        if (eInternalContainer() != null)
          msgs = eBasicRemoveFromContainer(msgs);
        return basicSetScope((BlockRule)otherEnd, msgs);
    }
    return super.eInverseAdd(otherEnd, featureID, msgs);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case DefinitionsPackage.VARIABLE__REFERENCES:
        return ((InternalEList<?>)getReferences()).basicRemove(otherEnd, msgs);
      case DefinitionsPackage.VARIABLE__SCOPE:
        return basicSetScope(null, msgs);
      case DefinitionsPackage.VARIABLE__VARIABLE_TYPE:
        return basicSetVariableType(null, msgs);
    }
    return super.eInverseRemove(otherEnd, featureID, msgs);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs)
  {
    switch (eContainerFeatureID())
    {
      case DefinitionsPackage.VARIABLE__SCOPE:
        return eInternalContainer().eInverseRemove(this, CompoundRulesPackage.BLOCK_RULE__LOCAL_VARIABLES, BlockRule.class, msgs);
    }
    return super.eBasicRemoveFromContainerFeature(msgs);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public Object eGet(int featureID, boolean resolve, boolean coreType)
  {
    switch (featureID)
    {
      case DefinitionsPackage.VARIABLE__REFERENCES:
        return getReferences();
      case DefinitionsPackage.VARIABLE__SCOPE:
        return getScope();
      case DefinitionsPackage.VARIABLE__VARIABLE_TYPE:
        return getVariableType();
    }
    return super.eGet(featureID, resolve, coreType);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @SuppressWarnings("unchecked")
  @Override
  public void eSet(int featureID, Object newValue)
  {
    switch (featureID)
    {
      case DefinitionsPackage.VARIABLE__REFERENCES:
        getReferences().clear();
        getReferences().addAll((Collection<? extends VariableReference>)newValue);
        return;
      case DefinitionsPackage.VARIABLE__SCOPE:
        setScope((BlockRule)newValue);
        return;
      case DefinitionsPackage.VARIABLE__VARIABLE_TYPE:
        setVariableType((TypeConstant)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case DefinitionsPackage.VARIABLE__REFERENCES:
        getReferences().clear();
        return;
      case DefinitionsPackage.VARIABLE__SCOPE:
        setScope((BlockRule)null);
        return;
      case DefinitionsPackage.VARIABLE__VARIABLE_TYPE:
        setVariableType((TypeConstant)null);
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case DefinitionsPackage.VARIABLE__REFERENCES:
        return references != null && !references.isEmpty();
      case DefinitionsPackage.VARIABLE__SCOPE:
        return getScope() != null;
      case DefinitionsPackage.VARIABLE__VARIABLE_TYPE:
        return variableType != null;
    }
    return super.eIsSet(featureID);
  }

} //VariableImpl